Alert archive / Kentucky / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 13, NWS Jackson, KY

February 24, 20126 counties in Kentucky

NWS Jackson, KY issued this severe thunderstorm warning at Feb 24, 2012, 3:36 AM EST for 6 counties in Kentucky. It was in force for 22 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Feb 24, 2012, 3:36 AM EST (08:36 UTC)
Expired
Feb 24, 2012, 3:58 AM EST
In force
22 min
Issued by
NWS Jackson, KY
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

Counties Breathitt County, KY, Clay County, KY, Knott County, KY, Leslie County, KY, Owsley County, KY, Perry County, KY

The nearest sounding before it

Cncnati-Daytn, OH (KILN), launched 00:00Z, 8.6 hours before the alert went out and 233 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-pSkew-T log-p diagram, Cncnati-Daytn, OH at 00:00Z on 2012-02-24Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Cncnati-Daytn, OH at 00:00Z on 2012-02-24The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 556 square meters per square second.1939587897117136156Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1094 m above ground
0-6 km bulk shear
86 kt
0-1 km storm-relative helicity
556 m²/s²
0-3 km storm-relative helicity
1028 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

826 
WUUS53 KJKL 240836
SVRJKL
KYC025-051-119-131-189-193-240915-
/O.NEW.KJKL.SV.W.0013.120224T0836Z-120224T0915Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE JACKSON KY
336 AM EST FRI FEB 24 2012

THE NATIONAL WEATHER SERVICE IN JACKSON KY HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTHEASTERN BREATHITT COUNTY IN SOUTHEAST KENTUCKY...
  NORTHEASTERN CLAY COUNTY IN SOUTHEAST KENTUCKY...
  WESTERN KNOTT COUNTY IN SOUTHEAST KENTUCKY...
  NORTHERN LESLIE COUNTY IN SOUTHEAST KENTUCKY...
  SOUTHEASTERN OWSLEY COUNTY IN SOUTHEAST KENTUCKY...
  NORTHERN PERRY COUNTY IN SOUTHEAST KENTUCKY...

* UNTIL 415 AM EST

* AT 330 AM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL...AND
  DAMAGING WINDS IN EXCESS OF 60 MPH.  THIS STORM WAS LOCATED NEAR
  SPURLOCK...OR 9 MILES EAST OF MANCHESTER...AND MOVING NORTHEAST AT
  55 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  BUCKHORN LAKE S.P....CONFLUENCE...GAYS CREEK AND MOSLEY BEND AROUND
  345 AM EST.
  LAMONT...KRYPTON...CHAVIES AND BARWICK AROUND 350 AM EST.
  DICE...NED...WATTS AND CLAYHOLE AROUND 355 AM EST.
  ROWDY...ARY AND NOBLE AROUND 400 AM EST.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 60 MILES PER
HOUR...DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN. FOR
YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR
HOME OR BUSINESS. HEAVY RAINS FLOOD ROADS QUICKLY SO DO NOT DRIVE
INTO AREAS WHERE WATER COVERS THE ROAD.

TO REPORT DAMAGING WINDS...LARGE HAIL OR FLOODING TO THE NATIONAL
WEATHER SERVICE...CALL TOLL FREE AT...1...8 7 7...6 3 3...6 7 7 2...
WHEN YOU CAN DO SO SAFELY.

&&

LAT...LON 3760 8308 3728 8288 3711 8357 3728 8370
TIME...MOT...LOC 0836Z 239DEG 47KT 3724 8353
WIND...HAIL 60MPH 1.00IN

$$

BECKER
1 follow-up statement
308 
WWUS53 KJKL 240858
SVSJKL

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE JACKSON KY
358 AM EST FRI FEB 24 2012

KYC025-051-119-131-189-193-240908-
/O.CAN.KJKL.SV.W.0013.000000T0000Z-120224T0915Z/
KNOTT KY-LESLIE KY-OWSLEY KY-PERRY KY-BREATHITT KY-CLAY KY-
358 AM EST FRI FEB 24 2012

...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN CLAY...
SOUTHEASTERN BREATHITT...NORTHERN PERRY...SOUTHEASTERN OWSLEY...
NORTHERN LESLIE AND WESTERN KNOTT COUNTIES IS CANCELLED...

THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED AND MOVED OUT OF
THE WARNED AREA.

LAT...LON 3760 8308 3728 8288 3711 8357 3728 8370
TIME...MOT...LOC 0858Z 239DEG 47KT 3738 8322

$$

BECKER

The office that day

Everything else NWS Jackson, KY issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Feb 24, 1:24 AM ESTSevere Thunderstorm WarningJKLBath, Elliott, Menifee, Morgan, Rowan36 min
Feb 24, 1:59 AM ESTLake Wind AdvisoryJKLBath, Bell, Breathitt, Clay, Elliott, Estill and 27 more17 hr
Feb 24, 3:24 AM ESTSevere Thunderstorm WarningJKLBreathitt, Floyd, Knott, Magoffin, Martin, Perry and 1 more51 min

Nearby

Severe Thunderstorm Warnings in Kentucky, 2012Every severe thunderstorm warning in 2012

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive.